19099700

素因数分解:

$2^2\times 5^2\times {\mathrm{190997}}^1$

素因数の和:191011

約数の個数: 18

約数和(自身を含む): 41446566

約数和(自身を除く): 22346866

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 190997, 381994, 763988, 954985, 1909970, 3819940, 4774925, 9549850, 19099700]

約数ペア:

[(1, 19099700), (2, 9549850), (4, 4774925), (5, 3819940), (10, 1909970), (20, 954985), (25, 763988), (50, 381994), (100, 190997)]